Home / 40,789.98-61,173.78-11,200.80

Finding the Fourth Proportional to 40,789.98, 61,173.78 and 11,200.80

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Solution

The fourth proportional to 40,789.98, 61,173.78 and 11,200.80 is: 16,798.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,789.98 : 61,173.78 = 11,200.80 : x
  2. Step 2: Convert to fraction form
    40,789.98/61,173.78 = 11,200.80/x
  3. Step 3: Cross multiply
    40,789.98x = 61,173.78 × 11,200.80
  4. Step 4: Simplify right side
    40,789.98x = 685,195,275.02
  5. Step 5: Solve for x
    x = 685,195,275.02/40,789.98
  6. Step 6: Final answer
    x = 16,798.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.